Vizio won't turn on

My 47inch vizio went out after a power surge. The tv would not turn back on when using the remote and also when using the remote. I opened the back, nothing smelled burn. I plug the power cable after I opened it, it turned back on. I closed the cover and it would not turn back on. After a few tries, I closed the back and the tv worked for a few weeks until I turned the breakers off because I was working on electrical in the house. The tv would not turn back on. I did the same thing, opened the back and it turned on once and that was it. It never turned back on again, the vizio emblem never turn orange when plugged. I ordered the power board first because it was cheaper ($47), still nothing. I ordered the main board ($119) and still nothing. The emblem still does not work. Help.

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I am sorry to hear regarding the trouble. To eliminate bad surge protector, kindly plug the TV directly into the socket.If problem still persists, then it would confirm an internal failure and needs repair. Unfortunately, there is no small fix for the same. If you have electronics repair experience and would be able to perform the repair, revert and i would be able to follow up.This is most probably an issue with power supply board. Bad caps often cause the same problem. Do provide with the model number so that i could tell you the components that needs to be tested and replaced,if find faulty.

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The board where the power button is located (same board for the other buttons too) is probably bad. It's all one board, which tells the power board to come on. If this happened after a power surge, and you're not using a surge protector, multiple boards can be bad. (You can't just plug these fragile TV and Blu-Ray players into the wall outlet. Eventually a surge will destroy them). Ps... A lot of people are suddenly making this same complaint with Vizio TV's.

sounds like you have a bad back light inverter board and it needs to be replaced. if it is still under warranty then try to get the manufacture to repair it for you. just don't tell them its from a possible power surge. check sharp's web site for more info. i think vizio is made by sharp electronics.

Do you have back light when turning on the TV? if you do then just replace the main board should resolve the problem. if you do not have back light, you will need to replace the inverter board(s) depending on your model. The inverter board(s) is located on the left side of the TV facing back of TV. you may have two inverter boards depending on your model. the other is located on the right side of the TV. Both mount vertically.